private void addPropertyToJoin(Property prop, XClass declaringClass, Join join) {
if ( declaringClass != null ) {
final InheritanceState inheritanceState = inheritanceStatePerClass.get( declaringClass );
if ( inheritanceState == null ) {
throw new AssertionFailure(
"Declaring class is not found in the inheritance state hierarchy: " + declaringClass
);
}
if ( inheritanceState.isEmbeddableSuperclass() ) {
join.addMappedsuperclassProperty(prop);